Wikipedia

Adaptive behavior

Adaptive behavior refers to the collection and independent performance of the skills that enable an individual to meet the social and practical demands of everyday living, similar to the term life skills. This is a term used in the areas of psychology and special education, often used as one of the criteria for intellectual and developmental disability.[1] In contrast, maladaptive behavior refers to behaviors that lead to sub-optimal outcomes, negatively impacting the everyday life of individuals.[2]

Specific skills

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Adaptive behaviors include life skills such as grooming, dressing, safety, food handling, working, money management, cleaning, making friends, social skills, and the personal responsibility expected of their age, social group and wealth group. These skills are typically split into three categories: conceptual, social and practical.[1]

Conceptual skills

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These are those that relate to learning and communication e.g.

  1. Counting,[1] Coin summation[3]
  2. Managing time[1]
  3. Communication (including language usage and non-verbal communication)[4]
  4. Reading and writing[4]
  5. Understanding the concept of money[1]

Social skills

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Social skills refer to skills involved in interacting with and forming connections with others e.g.

  1. Ability to display desired social qualities[4]
  2. Integrating oneself in communities[4]
  3. Following rules[1]
  4. Having good self-esteem[1]
  5. Resistance to being manipulated or deceived[1]

Practical skills

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Those involved in performing tasks essential to daily life independently e.g.

  1. Walking safely[4]
  2. Communication of basic needs[4]
  3. Using a phone[1]
  4. Oral hygiene and tooth brushing[5][6]
  5. Managing finances[1]

Origins of adaptive behavior

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Adaptive behavior can be understood at both proximate and ultimate levels of explanation. At the ultimate level, it is thought to have evolved through natural selection, with major evolutionary approaches agreeing that humans possess psychological mechanisms that produce adaptive responses to environmental demands.[7] At the proximate level, adaptive behavior depends on intact cognitive processes, with research demonstrating that developmental changes in cognition are positively associated with changes in adaptive behavior in individuals with intellectual disability.[8]

History of the term

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The term 'adaptive behavior' emerged in the 1800s in connection to defining intellectual disability (ID). It was sidelined with the use of IQ testing to determine ID, until the first half of the 20th century when it began to be incorporated into the definition of ID. In 1936 Doll developed the first assessment of the construct of adaptive behavior, the Vineland Social Maturity Scale (VSMS), and in 1941 he proposed that the definition of mental disability be revised to include measures of ability in the form of estimates of adaptive behavior, termed social competence.[9][10]

This resulted in the American Association on Intellectual and Developmental Disabilities (AAIDD), formally including adaptive behavior deficits in their definition of ID in 1959, so that the definition then focused on both intellectual functioning and adaptive behavior, defined in 1961 as:

  • The ability of an individual to maintain themselves independently
  • The degree to which they meet the culturally imposed demand of personal and social responsibility[10]

The concept of adaptive behavior is now widely used in the classification of developmental and intellectual disorder. It is one of the three criteria that must be met for a formal diagnosis of ID (alongside significant limitations in intellectual functioning and an onset before adulthood), as stated in the Diagnostic and Statistical Manual of Mental Disorders—Fifth Edition (DSM-5).[10][11]

Measuring adaptive behavior

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It is important to assess adaptive behavior not only because it can serve as a useful diagnostic tool but also because it provides information on how well an individual functions in daily life. It highlights both their strengths and weaknesses, enabling support plans to be created for individuals with intellectual disability, focusing on the areas where they need support.[12]

In the past century a variety of scales intending to measure adaptive behavior have been developed, building on the VSMS. Some of the most notable ones (many of which have been revised at least once and are used often today) include:

  • Vineland Adaptive Behavior Scale (Vineland ABS) (which built directly on the VSMS)[10]
  • American Association of Mental Deficiency-Adaptive Behavior Scale (AAMD-ABS)[10]
  • Adaptive Behavior Assessment System (ABAS)[10]
  • Diagnostic Adaptive Behavior Scale (DABS)[13]

The different scales aim to measure different conceptual, social and practical skills, focusing on different domains depending on their context, target and purpose.[12][13]

Problems with assessing long-term and short-term adaptation

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One problem with assessments of adaptive behavior is that a behavior that appears adaptive in the short run can be maladaptive in the long run and vice versa. For example, in the case of a group with rules that insist on drinking harmful amounts of alcohol both abstinence and moderate drinking (moderate as defined by actual health effects, not by socially constructed rules) may seem maladaptive if assessments are strictly short term, but an assessment that focuses on long-term survival would instead find that it was adaptive and that it was obedience under the drinking rule that was maladaptive. Such differences between short term effects and long-term effects in the context of harmful consequences of short-term compliance with destructive rules are argued by some researchers to show that assessments of adaptive behavior are not as unproblematic as is often assumed by psychiatry.[14]

The role of education in adaptive behavior

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Adaptive behaviors can be learned and interventions can help increase the quality of life for those with intellectual disability, since adaptive behavior has been shown to be the main determinant of quality of life for individuals with intellectual disability.[15] It is for this reason that training in adaptive behavior, whilst it is a key component of any educational program, is critically important for children with special needs. Interventions such as Early Intensive Behavioral Interventions (EIBI) which involve personalised teaching based on applied behavior analysis (ABA) have been shown to be successful in increasing adaptive behavior in individuals with autism spectrum disorder (ASD).[16]

However, there are some difficulties when it comes to teaching adaptive behavior. Firstly there is significant heterogeneity within different intellectual disabilities, like ASD, but investigated interventions often focus on group-level effects, making it difficult to know which approach would best suit a specific individual's needs when it comes to teaching adaptive behavior.[17] Additionally, studies have shown that parental attitudes, including an excessive reliance on assistants to perform tasks for their children, can act as significant barriers to teaching adaptive behavior.[18]

References

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  1. 1 2 3 4 5 6 7 8 9 10 "Adaptive Behavior". AAIDD_CMS. Retrieved 20 April 2026.
  2. ↑ "APA Dictionary of Psychology". dictionary.apa.org. Retrieved 20 April 2026.
  3. ↑ Lowe, M.L. & Cuvo, A.J. (1976). Teaching coin summation to the mentally retarded. Journal of Applied Behavior Analysis, 9, 483–9.
  4. 1 2 3 4 5 6 Oakland, Thomas; Harrison, Patti L. (10 October 2011). Adaptive Behavior Assessment System-II: Clinical Use and Interpretation. Academic Press. ISBN 978-0-08-055978-0.
  5. ↑ Singh, N. N.; Manning, P. J.; Angell, M. J. (1982). "Effects of an oral hygiene punishment procedure on chronic rumination and collateral behaviors in monozygous twins". Journal of Applied Behavior Analysis. 15 (2): 309–314. doi:10.1901/jaba.1982.15-309. ISSN 0021-8855. PMC 1308273. PMID 6889593.
  6. ↑ Horner, R. D.; Keilitz, I. (1975). "Training mentally retarded adolescents to brush their teeth". Journal of Applied Behavior Analysis. 8 (3): 301–309. doi:10.1901/jaba.1975.8-301. ISSN 0021-8855. PMC 1311855. PMID 1184494.
  7. ↑ Brown, Gillian R.; Richerson, Peter J. (1 July 2014). "Applying evolutionary theory to human behaviour: past differences and current debates". Journal of Bioeconomics. 16 (2): 105–128. doi:10.1007/s10818-013-9166-4. ISSN 1573-6989.
  8. ↑ Dakopolos, Andrew; Condy, Emma; Smith, Elizabeth; Harvey, Danielle; Kaat, Aaron J.; Coleman, Jeanine; Riley, Karen; Berry-Kravis, Elizabeth; Hessl, David (13 June 2024). "Developmental associations between cognition and adaptive behavior in intellectual and developmental disability". Journal of Neurodevelopmental Disorders. 16 (1): 31. doi:10.1186/s11689-024-09542-z. ISSN 1866-1955. PMC 11177479. PMID 38872099.
  9. ↑ Smith, J. David (1997). "Mental Retardation as an Educational Construct: Time for a New Shared View?". Education and Training in Mental Retardation and Developmental Disabilities. 32 (3): 167–173. ISSN 1079-3917. JSTOR 23879144.
  10. 1 2 3 4 5 6 Price, Jessica; Morris, Zoe; Costello, Shane (15 January 2018). "The Application of Adaptive Behaviour Models: A Systematic Review". Behavioral Sciences. 8 (1): 11. doi:10.3390/bs8010011. ISSN 2076-328X. PMC 5791029. PMID 29342927.
  11. ↑ American Psychiatric Association; American Psychiatric Association, eds. (2013). Diagnostic and statistical manual of mental disorders: DSM-5 (5th ed.). Washington, D.C: American Psychiatric Association. ISBN 978-0-89042-554-1.
  12. 1 2 Retardation, National Research Council (US) Committee on Disability Determination for Mental; Reschly, Daniel J.; Myers, Tracy G.; Hartel, Christine R. (2002), "The Role of Adaptive Behavior Assessment", Mental Retardation: Determining Eligibility for Social Security Benefits, National Academies Press (US), retrieved 20 April 2026
  13. 1 2 Tassé, M. J.; Schalock, R. L.; Balboni, G.; Spreat, S.; Navas, P. (January 2016). "Validity and reliability of the Diagnostic Adaptive Behaviour Scale". Journal of Intellectual Disability Research. 60 (1): 80–88. doi:10.1111/jir.12239. ISSN 0964-2633. PMID 26553772.
  14. ↑ Psychometrics and Psychological Assessment, Carina Coulacoglou, Donald Saklofske, published 20 June 2017
  15. ↑ Balboni, Giulia; Mumbardó-Adam, Cristina; Coscarelli, Alessandra (20 January 2020). "Influence of adaptive behaviour on the quality of life of adults with intellectual and developmental disabilities". Journal of Applied Research in Intellectual Disabilities. 33 (3): 584–594. doi:10.1111/jar.12702. ISSN 1360-2322. PMID 31960564. Archived from the original on 24 February 2025.
  16. ↑ Reichow, Brian; Hume, Kara; Barton, Erin E.; Boyd, Brian A. (9 May 2018). "Early intensive behavioral intervention (EIBI) for young children with autism spectrum disorders (ASD)". The Cochrane Database of Systematic Reviews. 5 (5) CD009260. doi:10.1002/14651858.CD009260.pub3. ISSN 1469-493X. PMC 6494600. PMID 29742275.
  17. ↑ Bent, Catherine; Glencross, Susan; McKinnon, Karen; Hudry, Kristelle; Dissanayake, Cheryl; Vivanti, Giacomo; The Victorian ASELCC Team (1 July 2024). "Predictors of Developmental and Adaptive Behaviour Outcomes in Response to Early Intensive Behavioural Intervention and the Early Start Denver Model". Journal of Autism and Developmental Disorders. 54 (7): 2668–2681. doi:10.1007/s10803-023-05993-w. ISSN 1573-3432. PMC 11286629. PMID 37171764.
  18. ↑ Almarzouq, Nouf Salem; Alqallaf, Bader Jassem (12 March 2026). "The difficulties faced by special education teachers in teaching adaptive behavior to children with Down syndrome in the State of Kuwait". Frontiers in Education. 11 1774909. doi:10.3389/feduc.2026.1774909. ISSN 2504-284X.
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